yep, best way to maintain your engine ( any engines for that matter ) is use good quality engine oil ( depending on your application ), must service / change parts on time, check all fluid levels, and do a check on the bottom of the car whenver going to work / balik from movies etc. synthetic engine oil nowadays work a bit of wonders and offer some security on your engine's health. i myself run Ultron SL ( 5w-40 ) and change every 5k's, but if i'm going to balik JB ( a total of about 1k kms to and fro, plus jln2 a bit ) i'll change the oil bfr the trip lah. and yes, HAMP oil filters work a little bit better than standard blue Honda oil filters, it's said that it flows something like 10cc's of oil, ye ke?